/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/Snapping/ModelingSceneSnappingManager.h
implementations are not required (and may not be able) to support hit-testing
true if a valid hit was found
virtual bool ExecuteSceneHitQuery ( const [FSceneHitQueryRequest](API\Runtime\InteractiveToolsFramework\SceneQueries\FSceneHitQueryRequest) & Request, [FSceneHitQueryResult](API\Runtime\InteractiveToolsFramework\SceneQueries\FSceneHitQueryResult) & ResultOut ) const